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November 01, 2025, 11:54:20 am
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Author Topic: Miss Martoman's questions  (Read 5023 times)  Share 

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Martoman

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Re: Miss Martoman's questions
« Reply #45 on: June 04, 2010, 09:09:12 pm »
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................. but the enzymes won't be denatured ;)
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andy456

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Re: Miss Martoman's questions
« Reply #46 on: June 04, 2010, 09:09:51 pm »
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Quote from: Martoman on June 04, 2010, 08:28:37 pm
Yeah I can be soooo silly sometimes.

Also, decreasing the heat will NOT denature enzymes?

Decreasing the temperature will only 'slow the rate of reaction'
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Greggler

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Re: Miss Martoman's questions
« Reply #47 on: June 05, 2010, 12:53:49 pm »
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yeah they just 'collide' less often with the substrate..

ahhh gotta love having done biol last year lol
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chansthename

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Re: Miss Martoman's questions
« Reply #48 on: June 05, 2010, 01:48:51 pm »
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Quote from: Martoman on June 04, 2010, 08:41:21 pm
haha yeah i was thinking how could still operate whilst frozen? Yeah i guess its like cryogenically freezing someone. ok.

It will not work effectively but it will not denature. so it would work much less than at an optimal temperature, however increase the temperature to optimal and it will work fine. the reverse is not true though. heat it past optimal and it will denature so even when you take the temp back it will not work at all (you should include bonds breaking and active site in your explanation on the exam, I have a feeling this will show up on the 2010 VCAA)
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chansthename

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Re: Miss Martoman's questions
« Reply #49 on: June 06, 2010, 01:42:44 pm »
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Quote from: andrewloppol on June 05, 2010, 02:44:43 pm
bio-boys will love this :P

Not sure what you are stating (or am reading too far into the comment)

just for the record (covering myself if I am wrong) I don't do biol
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Martoman

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Re: Miss Martoman's questions
« Reply #50 on: June 06, 2010, 01:54:57 pm »
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Why is water only present in the complete oxidation of fats?
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m@tty

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Re: Miss Martoman's questions
« Reply #51 on: June 06, 2010, 01:57:50 pm »
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I don't even understand the question... What do you mean?
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Martoman

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Re: Miss Martoman's questions
« Reply #52 on: June 06, 2010, 02:24:28 pm »
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TSFX -> circle which molecule represents the complete oxidation of fats.

It says to circle
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Toothpaste

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Re: Miss Martoman's questions
« Reply #53 on: June 06, 2010, 03:13:21 pm »
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Quote from: Martoman on June 06, 2010, 02:24:28 pm
TSFX -> circle which molecule represents the complete oxidation of fats.

It says to circle
What other options were there, assuming MCQ?

Complete oxidation of fats gives carbon dioxide, water, ATP (and coenzyme A which you don't even have to know about, biology kids might recognise it). Water is the by-product at the end of the electron transport chain.

(Glucose/fatty acids/amino acids can all be formed into -> acetyl CoA which enters what's called the citric acid cycle to be oxidised. </biology>)
« Last Edit: June 06, 2010, 03:15:18 pm by Toothpaste »
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Martoman

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Re: Miss Martoman's questions
« Reply #54 on: June 06, 2010, 03:21:44 pm »
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is this because its like.... a combustion?
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Toothpaste

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Re: Miss Martoman's questions
« Reply #55 on: June 06, 2010, 03:22:53 pm »
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Quote from: Martoman on June 06, 2010, 03:21:44 pm
is this because its like.... a combustion?
yes lol, that's a more friendly way to put it

Chemistry minds: fats are organic molecules and contain C, H, O, oxidation of fats = add O2 ... combustion.
Biology minds: The fat breakdown pathway ends up similar to glucose breakdown (just with different amounts of energy produced - ATP), which you know as cellular aerobic respiration: glucose+oxygen->carbon dioxide+water
« Last Edit: June 06, 2010, 03:31:00 pm by Toothpaste »
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Martoman

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Re: Miss Martoman's questions
« Reply #56 on: June 06, 2010, 03:29:11 pm »
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lol near exam time the most simplest of things will be fine.  ::)
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Martoman

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Re: Miss Martoman's questions
« Reply #57 on: June 06, 2010, 03:34:49 pm »
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Alkenes are functional groups???????????????????
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2009: Math methods: 50, Psychology: 44
2010: chem 47, further 48, Spesh 49 fml seriously and other yr 11 subs.
2011: Holidaying, screw school.
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Toothpaste

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Re: Miss Martoman's questions
« Reply #58 on: June 06, 2010, 03:39:53 pm »
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Martoman

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Re: Miss Martoman's questions
« Reply #59 on: June 06, 2010, 03:40:46 pm »
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So if i didn't... that means i lose a mark?
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2009: Math methods: 50, Psychology: 44
2010: chem 47, further 48, Spesh 49 fml seriously and other yr 11 subs.
2011: Holidaying, screw school.
No. Not azn.
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